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Finding the Fourth Proportional to 62,215.80, 93,323.70 and 43,456.20

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Solution

The fourth proportional to 62,215.80, 93,323.70 and 43,456.20 is: 65,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,215.80 : 93,323.70 = 43,456.20 : x
  2. Step 2: Convert to fraction form
    62,215.80/93,323.70 = 43,456.20/x
  3. Step 3: Cross multiply
    62,215.80x = 93,323.70 × 43,456.20
  4. Step 4: Simplify right side
    62,215.80x = 4,055,493,371.94
  5. Step 5: Solve for x
    x = 4,055,493,371.94/62,215.80
  6. Step 6: Final answer
    x = 65,184.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.